#include <iostream>
#include <string>
#include <vector>
using namespace std;
 
int main()
{
	vector<vector<string>> board;	
	for (int i = 0; i < 3; ++i)
	{
	    vector<string> row;
	    for (int j = 0; j < 3; ++j)
	    {
	        row.push_back("test");  // where value is whatever you want
	    }
	    board.push_back(row);
	}
 
	board[1][1] = "hello";
 
	for (auto const& row : board)
	{
		for (auto const& val : row)
		{
			cout << val << " ";		
		}
		cout << endl;
	}
 
	return 0;
}

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